Medium [CVE-2026-34352] TigerVNC x0vncserver: Information disclosure, data manipulation, and denial of service via incorrect permissions
This medium-severity Red Hat Linux advisory covers CVE-2026-34352 affecting Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 6.
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Summary
TigerVNC x0vncserver: Information disclosure, data manipulation, and denial of service via incorrect permissions. Red Hat rates this moderate (CVSS 6.3).
Weakness: CWE-279. Affected package(s): tigervnc.
Resolved in Red Hat advisory RHSA-2026:24341 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7.
- tigervnc-0:1.11.0-8.el8_4.15
- tigervnc-0:1.14.1-10.el9_6
- tigervnc-0:1.15.0-9.el8_10
- tigervnc-0:1.12.0-15.el8_8.17
- tigervnc-0:1.15.0-6.el9_7.1
- tigervnc-0:1.12.0-6.el8_6.17
- tigervnc-0:1.13.1-8.el9_4.9
- tigervnc-0:1.1.0-25.el6_10.16
- tigervnc-0:1.11.0-22.el9_0.17
- tigervnc-0:1.8.0-36.el7_9.4
- tigervnc-0:1.15.0-7.el9_8.1
- tigervnc-0:1.12.0-14.el9_2.14
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:24341
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:24341 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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